(x-2)^2+(x-3)^2=25怎么解

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 15:19:05
(x-2)^2+(x-3)^2=25怎么解
x)Ө5Ҍ3@YCߓ//I*+_`gC `a #k]C ]C#[(LдB *gQm xԱYǴ []C<;[l!&&0Y%nblZ^3 d g@'P )nuP

(x-2)^2+(x-3)^2=25怎么解
(x-2)^2+(x-3)^2=25怎么解

(x-2)^2+(x-3)^2=25怎么解
(x-2)^2+(x-3)^2=25
2x²-10x-12=0
x²-5x-6=0
(x-6)(x+1)=0
∴x=6或x=-1

x²-4x+4+x²-6x+9=25
x²-5x-6=0
(x-6)(x+1)=0
x=6,x=-1

(x-2)^2+(x-3)^2=25
x^2-4x+4+x^2-6x+9=25
2x^2-10x-12=0
x^2-5x-6=0
(x-6)(x+1)=0
x-6=0,x+1=0
x=6,x=-1